calculate the molar mass of phosphorous step by step
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30.973762 u is the answer
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Step 1. Determine how many of each type of atom there are in the chemical formula P4
In this case, there are 4 phosphorous atoms per molecule
Step 2. Determine the mass of phosphorous
the atomic mass of phosphorous is 30.97 amu, we can say the mass is
m=4×30.97=123.88gmol
This means that 1 mol of P4 weighs 123.88 grams.
[NOTE: If you only wanted the molar mass of single atoms of phosphorous, then m=30.97gmol; That is a mole of isolated phosphorous atoms would weigh 30.97 grams.]
In this case, there are 4 phosphorous atoms per molecule
Step 2. Determine the mass of phosphorous
the atomic mass of phosphorous is 30.97 amu, we can say the mass is
m=4×30.97=123.88gmol
This means that 1 mol of P4 weighs 123.88 grams.
[NOTE: If you only wanted the molar mass of single atoms of phosphorous, then m=30.97gmol; That is a mole of isolated phosphorous atoms would weigh 30.97 grams.]
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